<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>博客详情页</title>
    <style type="text/css">
      body {
        margin: 0 20px;
        line-height: 1;
      }
      a {
        text-decoration-line: none;
      }
      .title {
        font-size: 20px;
        font-weight: bold;
      }
      .info-container span,
      .info-container a {
        font-size: 14px;
        color: #999;
      }
      .content-wrapper {
        margin-top: 20px;
        border-top: 1px solid #ccc;
      }
    </style>
  </head>
  <body>
    <h1 id="title" class="title"></h1>
    <div id="info-container" class="info-container"></div>
    <div class="content-wrapper">
      <p id="content"></p>
    </div>

    <script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.js"></script>
    <script src="https://cdn.bootcss.com/moment.js/2.23.0/moment.min.js"></script>
    <script src="https://cdn.bootcss.com/moment.js/2.23.0/locale/zh-cn.js"></script>
    <script>
      // 发送 get 请求
      function get(url) {
        return $.get(url);
      }

      // 显示格式化的时间
      function getFormatDate(dt) {
        return moment(Number(dt)).format('LL');
      }

      // 获取 url 参数
      function getUrlParams() {
        let paramStr = location.href.split('?')[1] || '';
        paramStr = paramStr.split('#')[0];
        const result = {};
        paramStr.split('&').forEach(itemStr => {
          const arr = itemStr.split('=');
          const key = arr[0];
          const val = arr[1];
          result[key] = val;
        });
        return result;
      }

      // 获取 dom 元素
      const $title = $('#title');
      const $infoContainer = $('#info-container');
      const $content = $('#content');

      // 获取数据
      const urlParams = getUrlParams();
      const url = '/api/blog/detail?id=' + urlParams.id;
      get(url).then(res => {
        if (res.code !== 0) {
          alert('数据错误');
          return;
        }

        // 显示数据
        const data = res.data || {};
        $title.text(data.title);
        $content.text(data.content);
        $infoContainer.append(
          $(`
            <span>
              <a href="/index.html?author=${data.author}">${data.author}</a>
            </span>
            <span>${getFormatDate(data.createtime)}</span>
          `)
        );
      });
    </script>
  </body>
</html>
